<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="./css/reset.css">
    <link rel="stylesheet" href="./css/myform.css">
</head>

<body>
    <form action="" method="get">
        <fieldset>
            <legend>信息</legend>
            <input type="text">
            <label>
                <input type="radio" name="gender" id="">
                <span class="radio checked"></span>
                <span>男</span>
            </label>
           
            <label>
                <input type="radio" name="gender" id="">
                <span class="radio checked"></span>
                <span>女</span>
            </label>
        </fieldset>
        <fieldset>
            <legend>选择</legend>
            <select name="" id="">
                <optgroup label="loremss">
                    <option value="">Lorem.</option>
                    <option value="">Rem!</option>
                    <option value="">Necessitatibus!</option>
                </optgroup>
                <optgroup label="lorem2">
                    <option value="">Lorem2.</option>
                    <option value="">Re2m!</option>
                    <option value="">Nece2ssitatibus!</option>
                </optgroup>
            </select>
        </fieldset>

        <textarea></textarea>

        <button>提交</button>
    </form>

</body>

</html>